University of Washington student Tyson Cecka, 19, leaps from one concrete pile to another while doing parkour in Seattle's Freeway Park on Sunday. "You have to overcome fear. The world is our obstacle course. You see things other people do not," Cecka says. less

University of Washington student Tyson Cecka, 19, leaps from one concrete pile to another while doing parkour in Seattle's Freeway Park on Sunday. "You have to overcome fear. The world is our obstacle course. ... more